[RFT PATCH 1/6] drm/atomic-helper: drm_atomic_helper_shutdown(NULL) should be a noop

[Maxime Ripard]

On Fri, 1 Sep 2023 16:39:52 -0700, Douglas Anderson wrote:
> As with other places in the Linux kernel--kfree(NULL) being the most
> famous example--it's convenient to treat being passed a NULL argument
> as a noop in cleanup functions. Let's make
> drm_atomic_helper_shutdown() work like this.
> 
> 
> [ ... ]

Acked-by: Maxime Ripard <mripard at kernel.org>

Thanks!
Maxime